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Characiformes (Characins) >
Acestrorhamphidae (American tetras) > Acestrorhamphinae
Etymology: Astyanax: The name of Astyanax, Hector´s son in the Greek mythology (Ref. 45335); leoni: Name 'leoni' in honor of Ing. RNR Oscar Leon Mata, researcher MCNG, Guanare, Venezuela.
Eponymy: Astyanax was the son of Hector in Greek mythology. See Homer’s Iliad for details. The reasoning for its use for a genus of characins is not explained. (Ref. 128868), visit book page.
Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
; air tawar bentopelagis. Temperate
South America: Peru.
Ukuran / Berat / umur
Kematangan: Lm ?  range ? - ? cm
Max length : 11.6 cm SL jantan/; (Ref. 12)
deskripsi pendek
Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik
duri punggung lunak (Keseluruhan (total)) : 9; Sirip dubur lunak: 25 - 27; vertebrata, bertulang belakang: 36 - 38. This species is distinguished from its congeners by the following set of characters: inconspicuous rod-shaped stripe on the caudal peduncle that extends anteriorly on top of a silver lateral stripe; short chevrons that cover up to two scale series above and below the vertex of the chevron; chevrons distributed along the entire length of the body; caudal peduncle spot extending anteriorly to beyond the tip of the dorsal fin (Ref. 137784).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Siklus hidup dan perilaku kawin
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fekunditas | Larva
Ruiz-C, R.I., C. Román-Valencia and D.C. Taphorn, 2023. Analysis of a new species of the Astyanax orthodus group (Characiformes: Characidae) from the upper Madre de Dios River, Amazon River Basin, Peru. J Aquac Mar Biol. 12(2):195‒200. (Ref. 137784)
Status IUCN Red List (Ref. 130435: Version 2025-2 (Global))
ancaman kepada manusia
Harmless
penggunaan manusia
Perikanan: tidak ada kepentingan
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimasi berdasarkan model
Indeks keanekaragaman filogenetik (Acuan 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01047 (0.00461 - 0.02381), b=3.11 (2.93 - 3.29), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
Tingkat Trofik (Acuan 69278) |
2.9 ±0.4 se; based on size and trophs of closest relatives |
Daya lenting (Acuan 120179) |
Tinggi, Waktu penggandaan populasi minimum kurang dari 15 bulan (Preliminary K or Fecundity.). |
Kerentanan Penangkapan Ikan (Ref. 59153) |
Low vulnerability (24 of 100). 🛈 |